testers.shellcheck: specify script sourcepath

Changed files
+1 -1
pkgs
build-support
testers
shellcheck
+1 -1
pkgs/build-support/testers/shellcheck/tester.nix
···
dontConfigure = true;
dontBuild = true;
checkPhase = ''
-
find "$src" -type f -print0 | xargs -0 shellcheck
+
find "$src" -type f -print0 | xargs -0 shellcheck --source-path="$src"
'';
installPhase = ''
touch "$out"